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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 24:263-266, February 2003
© 2003 American Society of Neuroradiology

Case Report
INTERVENTIONAL

Broad-Based Intracranial Aneurysms: Thrombosis Induced by Stent Placement

Ritva Vanninen^a, Hannu Manninen^a and Antti Ronkainen^b

^a Department of Clinical Radiology, Kuopio University Hospital, Kuopio, Finland
^b Department of Neurosurgery, Kuopio University Hospital, Kuopio, Finland

Address reprint requests to Ritva Vanninen, MD, Department of Clinical Radiology, Kuopio University Hospital, Puijonlaaksontie 2, 70210 Kuopio, Finland

Summary: For broad-based intracranial aneurysms, both surgical and endovascular treatments are demanding. Flexible metallic stents provide an alternative treatment option for these patients, because they enable coil placement through the stent mesh. Evidence from extracranial arteries indicates that aneurysms may also spontaneously thrombose after stent placement. This case report documents three patients with saccular intracranial aneurysms in whom aneurysm thrombosis occurred after stent placement only, without additional packing of the aneurysms with coils.

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